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    <title>Document</title>
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<body>
    <script>
        //请实现以下效果
        // function add (a, b, c) {
        //     return a + b + c
        // }
        // // console.log(add.length);

        // const res = add(1, 2, 3) //6

        //要求声明一个curry函数，函数add经过curry函数的处理后，每次调用只能接收一个参数
         function add(){
            let args =  Array.prototype.slice.call(arguments)

            let inner = function() {
                args.push(...arguments)
                return inner
            }

            inner.toString = function() {
                return args.reduce((prev,cur) => {
                    return prev+cur
                })
            }
            return inner
         }
       const res =  parseInt(add(1)(2)(3))
       console.log(res);

  
      

     
    </script>
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